Home / 1,228,270.88-1,842,406.32-479,792

Finding the Fourth Proportional to 1,228,270.88, 1,842,406.32 and 479,792

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Solution

The fourth proportional to 1,228,270.88, 1,842,406.32 and 479,792 is: 719,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,270.88 : 1,842,406.32 = 479,792 : x
  2. Step 2: Convert to fraction form
    1,228,270.88/1,842,406.32 = 479,792/x
  3. Step 3: Cross multiply
    1,228,270.88x = 1,842,406.32 × 479,792
  4. Step 4: Simplify right side
    1,228,270.88x = 883,971,813,085.44
  5. Step 5: Solve for x
    x = 883,971,813,085.44/1,228,270.88
  6. Step 6: Final answer
    x = 719,688.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.